File:Panopticon.jpg|thumb|250px|Multiview orthographic projection#Elevation|Elevation, Multiview orthographic projection#Section|section and Multiview orthographic projection#Plan|plan of Jeremy Bentham's Panopticon penitentiary, drawn by Willey Reveley, 1791.
The '''Panopticon''' is a type of institutional building designed by the English philosopher and social theorist Jeremy Bentham
in the late 18th century. The concept of the design is to allow all (''pan-'') inmate
s of an institution to be observed (''-opticon'') by a single watchman without the inmates being able to tell whether or not they are being watched. Although it is physically impossible for the single watchman to observe all cells at once, the fact that the inmates cannot know when they are being watched means that all inmates must act as though they are watched at all times, effectively controlling their own behaviour constantly. The name is also a reference to...